Description
Product overview
Quote-only Mitutoyo Series 521 calibration testers for short-range dial indicators and comparison gage heads. Also useful for calibration labs, research QA programs, university labs, and traceable measurement workflows.
Mitutoyo Calibration Testers Series 521 is part of Mitutoyo Section F (Indicators and Small Tool Instruments). Macroscopic Solutions supplies this product through a reviewed purchase or quote path so configuration, compatibility, shipping, freight, accessories, and support requirements can be confirmed before fulfillment.
Catalog reference: US-1005 F-49
Series 521 calibration testers for calibrating short-range dial indicators, dial test indicators, and electronic comparison gage heads.
Key specifications
| Order No. | Unit Group | Range | Graduation | Accuracy |
|---|---|---|---|---|
| 521-103 | Metric | 0-1mm | 0.0002mm | +/-0.2um |
| 521-105 | Metric | 0-5mm | 0.0002mm | +/-0.8um |
| 521-104 | Inch | 0-.05 in | .00001 in | +/-.00001 in |
| 521-106 | Inch | 0-.2 in | .00001 in | +/-.00003 in |
Applications beyond production metrology
Common applications beyond production metrology include calibration support for research facilities, university measurement labs, engineering QA programs, instrument verification, standards rooms, and traceable measurement workflows for industrial R&D.
Application notes are general examples for discovery and planning; confirm suitability, tolerances, fixtures, standards, and regulatory requirements for the specific measurement task.









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